<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="Author" content="FengYu">
    <title>Tz-34期Js</title>
    <style>
        *{margin:0;padding:0;font-family: Microsoft YaHei,serif;}
	    li{list-style: none;}

    </style>
    <script src="https://git.oschina.net/cx-fy/personal/raw/master/conmenu.js"></script>
</head>
<body>
<script>

    function A() {
        this.name = "fy"
    }
    A.prototype.sayhello = function () {
        alert("hello")
    };
    var a = new A();


    var obj = Object.create(a,{
        one : {
            value : function () {
                alert("one")
            }
        }
    });


    obj.__proto__.__proto__.sayage = "18";

    console.log(a.sayage)




</script>
</body>
</html>